package cn.tedu.sp02.controller;

import cn.tedu.sp01.pojo.Item;
import cn.tedu.sp01.service.ItemService;
import cn.tedu.web.util.JsonResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Random;
@Slf4j
@RestController
public class ItemController {
    @Autowired
    private ItemService itemService;
    //获取订单商品列表
    @GetMapping("/{orderId}")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId) throws InterruptedException {
        List<Item> items = itemService.getItems(orderId);

        //随机延迟,90%概率执行延迟
        if (Math.random() < 0.9) {
            long t = new Random().nextInt(5000);
            log.info("延迟时长:  "+t);
            Thread.sleep(t);
        }

        return JsonResult.build().code(200).data(items);
    }

    /**
     * @RequestBody 完整接收客户端提交的http协议体数据
     */
    //减少商品库存
    @PostMapping("/{decreaseNumber}")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items){
        itemService.decreaseNumbers(items);
        return JsonResult.build().code(200).msg("减少库存成功");
    }

    //处理浏览器自动请求的图标文件
    @GetMapping("/favicon.ico")
    public void ico(){}
}
